Home / 3,583.61-5,376.50-1,118.69

Finding the Fourth Proportional to 3,583.61, 5,376.50 and 1,118.69

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Solution

The fourth proportional to 3,583.61, 5,376.50 and 1,118.69 is: 1,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.61 : 5,376.50 = 1,118.69 : x
  2. Step 2: Convert to fraction form
    3,583.61/5,376.50 = 1,118.69/x
  3. Step 3: Cross multiply
    3,583.61x = 5,376.50 × 1,118.69
  4. Step 4: Simplify right side
    3,583.61x = 6,014,631.19
  5. Step 5: Solve for x
    x = 6,014,631.19/3,583.61
  6. Step 6: Final answer
    x = 1,678.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.